DSR_IP 127 arch/mips/sni/a20r.c MCTRL_SIG(DSR_IP, LINE_IP5) | DSR_IP 131 arch/mips/sni/a20r.c MCTRL_SIG(DSR_IP, LINE_IP0) | DSR_IP 601 drivers/tty/serial/sccnxp.c if (s->pdata.mctrl_cfg[port->line] & MCTRL_MASK(DSR_IP)) { DSR_IP 603 drivers/tty/serial/sccnxp.c DSR_IP);